Home / 74,279.16-111,289.08-61,878.84

Finding the Fourth Proportional to 74,279.16, 111,289.08 and 61,878.84

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Solution

The fourth proportional to 74,279.16, 111,289.08 and 61,878.84 is: 92,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,279.16 : 111,289.08 = 61,878.84 : x
  2. Step 2: Convert to fraction form
    74,279.16/111,289.08 = 61,878.84/x
  3. Step 3: Cross multiply
    74,279.16x = 111,289.08 × 61,878.84
  4. Step 4: Simplify right side
    74,279.16x = 6,886,439,175.07
  5. Step 5: Solve for x
    x = 6,886,439,175.07/74,279.16
  6. Step 6: Final answer
    x = 92,710.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.